CVE-2026-28799

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap use-after-free vulnerability exists in PJSIP's event subscription framework (evsub.c) that is triggered during presence unsubscription (SUBSCRIBE with Expires=0). This issue has been patched in version 2.17.

Vulnerability Details

Published Date

March 06, 2026

Last Modified

March 10, 2026

CWE ID

CWE-416

Source

NVD

Vendor

pjsip

Product

pjproject

External References

https://github.com/pjsip/pjproject/commit/e06ff6c64741cc1675fd3296615910f532f6b1a1
https://github.com/pjsip/pjproject/security/advisories/GHSA-8fj4-fv9f-hjpc

CVE-2026-28799

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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